Dewitt Tyler Harrison
Internal Medicine Physician · New Orleans, LA
Dewitt Tyler Harrison is an internal medicine physician with a practice address in New Orleans, Louisiana, and NPI 1023316403, issued on Mar 8, 2011. Check the license (Louisiana 326433, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Dewitt Tyler Harrison
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 326433 LA
Self-reported in NPPES; status is on the state search - Practice location
- 1514 Jefferson Hwy, New Orleans, LA 70121
- Phone
- (504) 842-4135
- Enumerated
- Mar 8, 2011
- Record last updated
- Sep 7, 2022
- Medicare enrollment
- Enrolled (PECOS I20210902001481); accepts Medicare assignment
- Medical or professional school
- Marian University College Of Osteopathic Medicine, 2018
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,749 in Louisiana → Look up another NPI →
Also registered at 1514 Jefferson Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Tunde AbubakarStudent in an Organized Health Care Education/Training Program1487357307
Verify Dewitt Tyler Harrison in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 326433Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,581 Medicare Part D claims for 255 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 575 claims were for opioids.
Most prescribed
- Oxycodone Hcl231 claims
- Duloxetine Hcl95 claims
- Morphine Sulfate Er80 claims
- Oxycodone-Acetaminophen64 claims
- Morphine Sulfate46 claims
- Olanzapine46 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $57.22
3 payments; by number, the most common kind was food and beverage; the largest payer was Mitsubishi Tanabe Pharma America, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Ochsner Clinic LLCNew Orleans, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dewitt Tyler Harrison among 1,749 internal medicine physician records in Louisiana
Dewitt Tyler Harrison is one of 1,749 internal medicine physician records with a practice address in Louisiana. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 58% of them.
- NPI issued2011 · 58% of these records are older, 39% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2018 · median 2008 among the 1,216 with a school on file
- Record last updated2022 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
392 internal medicine physician records list a practice address in New Orleans
They are 392 of the 13,668 NPPES records with a practice address in New Orleans, and 1,749 internal medicine physician records in Louisiana.
All 1,749 in Louisiana → Every provider in New Orleans → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Leslie Blake, MDNew Orleans, LA 701211639137698
- William Blalock, MDNew Orleans, LA 701211073570479
- James Bragg, MDNew Orleans, LA 701211679530562
- Todd Burstain, MDNew Orleans, LA 701211104814763
- Kevin Conrad, MDNew Orleans, LA 701211801854203
- Rhonda Deen, M.D.Jefferson, LA 701211881685659
- Richard Deichmann, MDNew Orleans, LA 701211912901315
- Steven Deitelzweig, MDNew Orleans, LA 701211811954910
Common questions
What is Dewitt Tyler Harrison's NPI number?
Dewitt Tyler Harrison's National Provider Identifier (NPI) is 1023316403, issued on Mar 8, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Dewitt Tyler Harrison located?
The NPPES record lists a practice address at 1514 Jefferson Hwy, New Orleans, LA, 70121. Phone: (504) 842-4135. Providers update this record themselves, so call before visiting.
How can I verify Dewitt Tyler Harrison's license?
NPPES lists Louisiana license number 326433, as entered by the provider. Search the Louisiana State Board of Medical Examiners at https://www.lsbme.la.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Dewitt Tyler Harrison prescribe under Medicare Part D?
In 2024, Dewitt Tyler Harrison had 1,581 Medicare Part D claims for 255 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.